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Slag removal agent for removing remelting non-vacuum Fe-based nanocrystalline alloy impurities and using method of slag removal agent

A nanocrystalline alloy and slag removal agent technology, applied in the field of metallurgy, iron-based amorphous nanocrystalline alloy vacuum remelting smelting, can solve the problems of long production process, low efficiency, high investment cost, etc., to reduce equipment investment costs, Reduce production costs and ensure the effect of slag-gold separation

Inactive Publication Date: 2020-07-14
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

High equipment investment cost, long production process and low efficiency

Method used

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  • Slag removal agent for removing remelting non-vacuum Fe-based nanocrystalline alloy impurities and using method of slag removal agent

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Embodiment Construction

[0010] According to the mass percentage, equipped with 30~60% CaF 2 powder, 20-30% NaF powder, and 10-50% CaO powder are mixed evenly to form a slag remover for removing impurities in remelted non-vacuum Fe-based nanocrystalline alloys.

[0011] The method of using the slag remover to remove the impurities of the remelted non-vacuum Fe-based nanocrystalline alloy is as follows

[0012] According to the furnace load of 180kg, the iron-based amorphous nanocrystalline alloy FeSiBCuNb is loaded into 10 furnaces for continuous production. The production process of each furnace is

[0013] Step 1. Prepare the iron-based amorphous nanocrystalline alloy FeSiBCuNb and slag-removing agent, wherein, every 180kg of iron-based amorphous nanocrystalline alloy FeSiBCuNb needs 150g of slag-removing agent, and lay a layer of non-vacuum smelting agent on the bottom of the vacuum remelting furnace. Iron-based amorphous and nanocrystalline alloy FeSiBCuNb, just cover the bottom of the vacuum re...

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Abstract

The invention relates to the field of metallurgy, in particular to the technical field of Fe-based nanocrystalline alloy vacuum remelting melting during pressure belt preparation, and provides a slagremoval agent for removing remelting non-vacuum Fe-based nanocrystalline alloy impurities. The slag removal agent is prepared from the components in percentage by mass: 30-60% of CaF2, 20-30% of NaF,and 10-50% of CaO. The invention further relates to a using method of the slag removal agent for removing the remelting non-vacuum Fe-based nanocrystalline alloy impurities. The problems of many non-vacuum melting master alloy impurities, serious pressure remelting belt preparation blocking and many belt surface scratches are solved. By applying the slag removal agent, the requirement of pressurebelt preparation on a master alloy is reduced, the melting efficiency is improved, and the production cost is reduced.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to the technical field of vacuum remelting and smelting of iron-based amorphous nanocrystalline alloys during pressure strip making. Background technique [0002] The production of iron-based amorphous and nanocrystalline FeSiBCuNb strips is currently divided into gravity strips and pressure strips. The thickness of the gravity strip is about 28 μm to 38 μm, and the thickness of the pressure strip is about 16 μm to 28 μm. Most of the strips made by gravity cannot be cut due to their thickness, while the strips made by pressure can be cut because of their thinness and good toughness, so they are more widely used. The strip thickness of the pressure strip is thinner than that of the gravity strip, and the purity of the remelted alloy is also higher than that of the gravity strip. At present, vacuum smelting of master alloys and vacuum remelting are mostly used in the industry to make strips...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C33/04C22B9/04C22B9/18
CPCC22B9/04C22B9/18C22C33/003C22C33/04
Inventor 李志恩李博赵伟伟
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD